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DUST: pahprops.h File Reference

pahprops.h File Reference

#include "../dustmodel.h"

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Go to the source code of this file.

Typedefs

typedef dust_drudeprofsdust_pahprofiles

Functions

double bndust_PAHatoNC (double a)
double bndust_PAHNctoHc (double Nc)
double bndust_PAHatoHc (double a)
void dust_CPAHDrudes (double a, dust_ionisation state, dust_pahenhancements *e, dust_pahprofiles res)
double bndust_PAHCutoff (double lambda, double a, dust_ionisation state)
 The cutoff of PAH absorption. See Eq A2 and A3 of the Li & Draine paper.

Variables

dust_drudeprofs dust_DL_pahs_neutral [14]
dust_drudeprofs dust_DL_pahs_ionised [14]


Detailed Description

Bojan Nikolic <bojan@bnikolic.co.uk>, <b.nikolic@mrao.cam.ac.uk>

Definition of properties of PAHs


Function Documentation

double bndust_PAHatoHc ( double  a  ) 

Returns the H/C ratio given a grain radius (calls bndust_PAHNctoHc).

References bndust_PAHatoNC(), and bndust_PAHNctoHc().

Referenced by dust_CPAHDrudes(), and dust_nCHmodes().

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double bndust_PAHatoNC ( double  a  ) 

Returns the number of carbon atoms given a radius a (in metres).

Returns the number of carbon atoms in a grain of radius a (a in in metres).

note a must be metres

Referenced by bndust_PAHatoHc(), bndust_PAHCutoff(), dust_nCCIPmodes(), dust_nCCOPmodes(), and Dust::GenPAHCC::GenPAHCC().

double bndust_PAHNctoHc ( double  Nc  ) 

Returns an approximate ratio of number of hydrogren atoms to carbon atoms given the number of carbon atoms. See eq 4 of 2001ApJ...554..778L

Referenced by bndust_PAHatoHc().

void dust_CPAHDrudes ( double  a,
dust_ionisation  state,
dust_pahenhancements e,
dust_pahprofiles  res 
)

Calculate the appropriate drude profiles for a particular PAH. a is the grain radius

References bndust_PAHatoHc(), dust_pahenhancements::E62, dust_pahenhancements::E77, dust_pahenhancements::E86, dust_drudeprofs::gamma, dust_drudeprofs::sigma, and dust_drudeprofs::wavel.

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Variable Documentation

These are the profiles as given in Table 1 of 2001ApJ...554..778L. Wavelengths in micron. Gamma is dimensionless. Cross section in 10^-20 cm per Carbon atom.


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